3) How many liters of combusted propane (C3H8; 44 g/mol) are required to heat a 100 kg steel pipe (specific heat of steel is 0.420 J/g°C), from room temperature (20°C) to its melting point of 1300°C? The density of propane is 0.493 g/mL. C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(l) ΔH=–2220 kJ /mol 4) How much energy is required to produce 1.9 grams of glucose (C6H12O6; 180 g/mol) from CO2 and H2O. Use the following combustion equation to help you

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